A signature building by Josep Lluís Sert gets a surprising addition beneath its art-filled terraces.

At Château Cantenac Brown, the French sustainable-building veteran transforms a disused 1990s hotel into a contemporary foil for a historic home.

In addition to incorporating a new subterranean gallery, the firm updates every square foot of the original 1976 building to meet modern standards.

With only two purpose-built structures and a heavy reliance on existing venues, this year's games will be the least architectural—in terms of new construction—in decades.

L35, GMP, and Ribas & Ribas upgrade the club's Santiago Bernabéu Stadium to meet contemporary demands.

Next year, the radical 1970s monument will begin a $494 million overhaul led by AIA Life Designers and Moreau Kusunoki with Frida Escobedo.

Mireia Luzárraga and Alejandro Muiño’s provocative projects, ranging from a whimsical garden folly to radically energy-efficient apartments, utilize design as a tool for activism.

In Senegal, Nzinga Mboup and Nicolas Rondet challenge perceptions and push disciplinary limits when it comes to sustainable building practices.

The architects mixed foreign and Italian influences for a Janus-like retail project located in the affluent Neapolitan district of Chiaia.

Elding Oscarson's monumental ‘Wisdome’ at Tekniska Museet gives new shape to engineered wood products.